stream_resolve_include_path()

stream_resolve_include_path() — Resolve filename against the include path.

Built-in function of PHP 8.5. The manual lists it as available in PHP 5 >= 5.3.2, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.

What it does

Resolve filename against the include path according to the same rules as fopen()/include.

Signature

stream_resolve_include_path(string $filename): string|false

Parameters

Return value

Returns a string containing the resolved absolute filename, or false on failure.

Example

A runnable snippet:

var_dump(stream_resolve_include_path("test.php"));

Output:

string(22) "/var/www/html/test.php"

All PHP 8.5 built-in functions

Reference card built from the PHP manual page stream_resolve_include_path() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.